Add 90/84 and 40/8
1st number: 1 6/84, 2nd number: 5 0/8
90/84 + 40/8 is 85/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
40/8 = 40 × 21/8 × 21 = 840/168 - Add the two like fractions:
180/168 + 840/168 = 180 + 840/168 = 1020/168 - 1020/168 simplified gives 85/14
- So, 90/84 + 40/8 = 85/14
In mixed form: 61/14
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